A buffer overflow could occur in mod_alias and mod_rewrite when a regular expression with more than 9 captures is configured.
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GENTOO LINUX SECURITY ANNOUNCEMENT 200310-04
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PACKAGE : net-www/apache
SUMMARY : buffer overflow
DATE : Fri Oct 31 07:59:00 UTC 2003
EXPLOIT : local
VERSIONS AFFECTED : =apache-2.0.48
GENTOO BUG : http://bugs.gentoo.org/show_bug.cgi?id=32271
CVE : CAN-2003-0789 CAN-2003-0542
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Quote from <http://www.apache.org/dist/httpd/Announcement2.html>:
This version of Apache is principally a bug fix release. A summary of
the bug fixes is given at the end of this document. Of particular note
is that 2.0.48 addresses two security vulnerabilities:
mod_cgid mishandling of CGI redirect paths could result in CGI output
going to the wrong client when a threaded MPM is used.
[CAN-2003-0789]
A buffer overflow could occur in mod_alias and mod_rewrite when a
regular expression with more than 9 captures is configured.
[CAN-2003-0542]
This release is compatible with modules compiled for 2.0.42 and later
versions. We consider this release to be the best version of Apache
available and encourage users of all prior versions to upgrade.
SOLUTION
It is recommended that all Gentoo Linux users who are running
net-misc/apache 2.x upgrade:
emerge sync
emerge '>=net-www/apache-2.0.48'
emerge clean
Please remember to update your config files in /etc/apache2
as --datadir has been changed to /var/www/localhost.
Note that a forthcoming GLSA-200310-03 will address similar issues
in Apache 1.x.
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